Welding positioning frame and welding device

Abstract

The utility model relates to the technical field of mechanical processing equipment, and specifically discloses a welding positioning frame, including a fixed plate, a first positioning plate and a second positioning plate, wherein the lower end of the first positioning plate is vertically fixedly connected to the fixed plate, the second positioning plate is installed on the top of the first positioning plate, and is tilted forward and upward relative to the first positioning plate, the first positioning plate is provided with a first positioning clamping assembly for positioning and clamping a U-shaped rod, and a second positioning clamping assembly for positioning and clamping a lower cross bar, and the second positioning plate is provided with a third positioning clamping assembly for positioning and clamping an upper cross bar. The utility model also discloses a welding device. The welding positioning frame and welding device of the utility model can be used for welding processing of the side frame of a clothes drying rack to improve welding accuracy and welding efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a welding positioning frame and a welding device. Background Art

[0002] In the process of processing metal parts, sometimes it is necessary to fix and connect metal pipes by welding. For example, in the process of processing clothes drying racks, it is necessary to weld the side frames of the clothes drying racks. Figure 1 The clothes drying rack side frame shown includes a U-shaped rod 17, a lower cross bar 18 is welded to the lower end of the U-shaped rod 17, an upper cross bar 19 is arranged above the U-shaped rod 17, and the upper cross bar 19 is welded and fixed to the middle part of the top end of the U-shaped rod 17 through two parallel connecting rods 20, and the connecting rods 20 are tilted forward relative to the U-shaped rod 17, so that the upper cross bar 19 is fixed to the front upper part of the U-shaped rod 17. Although the existing welding positioning device can position and clamp the rod, it is not suitable for the welding positioning of the above-mentioned clothes drying rack side frame. Summary of the invention

[0003] The utility model aims to solve at least one of the above-mentioned technical problems and provides a welding positioning frame and a welding device, which can be used for the welding processing of the side frame of the clothes drying rack to improve the welding accuracy and welding efficiency.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a welding positioning frame, including a fixed plate, a first positioning plate and a second positioning plate, the lower end of the first positioning plate is vertically fixedly connected to the fixed plate, the second positioning plate is installed on the top of the first positioning plate, and is inclined toward the front and upper relative to the first positioning plate, the first positioning plate is provided with a first positioning and clamping assembly for positioning and clamping the U-shaped rod, and a second positioning and clamping assembly for positioning and clamping the lower cross bar, and the second positioning plate is provided with a third positioning and clamping assembly for positioning and clamping the upper cross bar.

[0005] Preferably, the first positioning clamping assembly includes a first positioning block for positioning the middle and both ends of the U-shaped rod, and a first clamping clamp for clamping the middle and both ends of the U-shaped rod, and the first positioning block is provided with a first slot for clamping with the U-shaped rod.

[0006] Preferably, the second positioning clamping assembly includes a second positioning block for positioning both ends of the lower cross bar, and a second clamping clamp for clamping the middle part of the lower cross bar, and the second positioning block is provided with a second slot for clamping with the lower cross bar.

[0007] Preferably, the third positioning clamping assembly includes a third positioning block for positioning both ends of the upper cross bar, and a third clamping clamp for clamping the middle part of the upper cross bar, and the third positioning block is provided with a third slot for clamping with the upper cross bar.

[0008] Preferably, the second positioning plate is further provided with a fourth positioning block for positioning one of the connecting rods, and the fourth positioning block is provided with a fourth slot for engaging with the connecting rod.

[0009] Preferably, a first air-avoiding hole is provided on the first positioning plate at the connection between the lower cross bar and the two ends of the U-shaped bar.

[0010] Preferably, second air-avoiding holes are provided on both sides of the second positioning plate at the connection between the two connecting rods and the U-shaped rod.

[0011] Preferably, a plurality of reinforcing plates are provided at the connection between the first positioning plate and the fixing plate.

[0012] Preferably, the fixing plate is provided with a plurality of fixing holes.

[0013] The present application also discloses a welding device, including a processing table, an automatic welding robot, and any of the above-mentioned welding positioning frames.

[0014] The beneficial effect is: compared with the prior art, the welding positioning frame and welding device of the utility model can effectively position and clamp the U-shaped rod, the lower cross bar and the upper cross bar by setting the first positioning plate and the second positioning plate, and setting the first positioning clamping assembly and the second positioning clamping assembly on the first positioning plate, and setting the third positioning clamping assembly on the second positioning plate. At the same time, by tilting the second positioning plate toward the front and upper part relative to the first positioning plate, the upper cross bar can be positioned and clamped at the front and upper part of the U-shaped rod to ensure that the inclination between the connecting rod and the U-shaped rod is controlled within the specified range, thereby improving the welding efficiency and welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0016] Figure 1 A schematic diagram of the structure of the clothes drying rack side frame that requires welding;

[0017] Figure 2 This is a structural schematic diagram of a welding positioning frame of the utility model after clamping and fixing the side frame of the clothes drying rack;

[0018] Figure 3 The utility model is a structural schematic diagram of a welding device. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is referred to as being "set in the middle", it does not only mean being set in the middle, as long as it is not set at both ends within the range defined by the middle. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] like Figure 2 As shown, the present application discloses a welding positioning frame, including a fixing plate 1, a first positioning plate 2 and a second positioning plate 3. The lower end of the first positioning plate 2 is vertically fixedly connected to the fixing plate 1. When in use, the fixing plate 1 is usually horizontally fixed on the mounting table, the first positioning plate 2 is vertically arranged, the second positioning plate 3 is installed on the top of the first positioning plate 2, and is inclined forward and upward relative to the first positioning plate 2. The first positioning plate 2 is provided with a first positioning and clamping assembly for positioning and clamping the U-shaped rod, and a second positioning and clamping assembly for positioning and clamping the lower cross bar, and the second positioning plate 3 is provided with a third positioning and clamping assembly for positioning and clamping the upper cross bar.

[0023] Compared with the prior art, the welding positioning frame of the utility model is capable of effectively positioning and clamping the U-shaped rod, the lower cross bar and the upper cross bar by setting a first positioning plate 2 and a second positioning plate 3, and setting a first positioning clamping assembly and a second positioning clamping assembly on the first positioning plate 2, and setting a third positioning clamping assembly on the second positioning plate 3. At the same time, by tilting the second positioning plate 3 toward the front and upper sides relative to the first positioning plate 2, the upper cross bar can be positioned and clamped at the front and upper sides of the U-shaped rod to ensure that the inclination between the connecting rod and the U-shaped rod is controlled within a specified range, thereby improving the welding efficiency and welding accuracy.

[0024] Specifically, the first positioning clamping assembly includes a first positioning block 4 for positioning the middle and both ends of the U-shaped rod, and a first clamping pliers 5 for clamping the middle and both ends of the U-shaped rod, and a first clamping groove for clamping and cooperating with the U-shaped rod is provided on the first positioning block 4. Specifically, the two ends of the U-shaped rod are two parallel straight rods, and the lower part of the first positioning plate 2 can be provided with a first positioning block 4 respectively cooperating with the lower end of the straight rod, and the middle part of the first positioning plate 2 can be provided with a first positioning block 4 respectively cooperating with the upper end of the straight rod, and the lower end of the straight rod is also clamped and fixed in the first clamping groove by the first clamping pliers 5, and the upper part of the first positioning plate 2 can be provided with two first positioning blocks 4, and the two first positioning blocks 4 are respectively matched with the two sides of the middle part of the U-shaped rod, and the middle part of the U-shaped rod is also clamped by the first clamping pliers 5, wherein the first clamping groove for positioning the two ends of the straight rod is arranged in the vertical direction, and the first clamping groove for positioning the middle part of the U-shaped rod is arranged in the horizontal direction, thereby improving the stability and accuracy of the positioning of the U-shaped rod.

[0025] In addition, the second positioning and clamping assembly includes a second positioning block 6 for positioning the two ends of the lower cross bar, and a second clamping clamp 7 for clamping the middle part of the lower cross bar. The second positioning block 6 is provided with a second slot that is engaged with the lower cross bar. Specifically, the second slot is arranged in the horizontal direction. Two second positioning blocks 6 can be provided at the lower part of the first positioning plate 2. The two second positioning blocks 6 are respectively matched with the two ends of the lower cross bar. The second clamping clamp 7 is arranged between the two second positioning blocks 6 and clamps the middle part of the lower cross bar, thereby improving the stability of the positioning of the lower cross bar.

[0026] At the same time, the third positioning and clamping assembly includes a third positioning block 8 for positioning the two ends of the upper cross bar, and a third clamping clamp 9 for clamping the middle part of the upper cross bar. The third positioning block 8 is provided with a third slot that is clamped with the upper cross bar. Specifically, two third positioning blocks 8 are provided on the upper part of the second positioning plate 3, and the two third positioning blocks 8 are respectively matched with the two ends of the upper cross bar. The third clamping clamp 9 is arranged between the two third positioning blocks 8 and clamps the middle part of the upper cross bar, thereby improving the stability of the positioning of the upper cross bar.

[0027] It should be noted that the first clamp 5, the second clamp 7 and the third clamp 9 used in the present application are all existing structures and are not improvements of the present application, so they will not be described in detail in the present application.

[0028] In a further preferred embodiment of the present application, a fourth positioning block 10 for positioning one of the connecting rods is further provided on the second positioning plate 3, and a fourth positioning slot for engaging with the connecting rod is provided on the fourth positioning block 10. The fourth positioning slot extends in a direction parallel to the second positioning plate 3. By positioning one of the connecting rods through the fourth positioning block 10, the welding position of the connecting rod can be accurately made to correspond to the upper end of the U-shaped rod.

[0029] In another preferred embodiment of the present application, a first avoidance hole 11 is provided on the first positioning plate 2 at the connection between the two ends of the lower cross bar and the U-shaped bar, and second avoidance holes 12 are provided on both sides of the second positioning plate 3 at the connection between the two connecting rods and the U-shaped bar, so as to facilitate welding equipment to perform welding processing on the two ends of the lower cross bar and the connection between the two connecting rods and the U-shaped bar.

[0030] In order to improve the stability of the connection between the first positioning plate 2 and the fixing plate 1 , a plurality of reinforcing plates 13 are provided at the connection between the first positioning plate 2 and the fixing plate 1 . The reinforcing plates 13 are evenly distributed on both sides of the lower end of the first positioning plate 2 .

[0031] In order to facilitate the fixing and disassembly of the fixing plate 1 , a plurality of fixing holes 14 are provided on the fixing plate 1 . The fixing holes 14 are evenly distributed on both sides of the fixing plate 1 along the length direction of the fixing plate 1 .

[0032] like Figure 3 As shown, the present application also discloses a welding device, including a processing table 15, an automatic welding robot 16, and any of the above-mentioned welding positioning frames. The fixing plate 1 is detachably fixed on the processing table 15 by bolts. The automatic welding robot 16 can adopt the existing fully automatic welding robot 16 on the market, thereby realizing automatic welding processing of the clothes drying rack support frame components, reducing manpower input, and improving welding efficiency.

[0033] Compared with the prior art, a welding device of the present invention can effectively position and clamp the U-shaped rod, the lower cross bar and the upper cross bar by setting a first positioning plate 2 and a second positioning plate 3, and setting a first positioning clamping assembly and a second positioning clamping assembly on the first positioning plate 2, and setting a third positioning clamping assembly on the second positioning plate 3. At the same time, by tilting the second positioning plate 3 toward the front and upper sides relative to the first positioning plate 2, the upper cross bar can be positioned and clamped at the front and upper sides of the U-shaped rod to ensure that the inclination between the connecting rod and the U-shaped rod is controlled within a specified range, thereby improving the welding efficiency and welding accuracy.

[0034] The above embodiments are only used to illustrate the technical solution of the utility model but not to limit it. Any modification or equivalent substitution that does not deviate from the spirit and scope of the utility model shall be included in the scope of the technical solution of the utility model.

Claims

1. A welding positioning frame, characterized in that: The invention comprises a fixing plate (1), a first positioning plate (2) and a second positioning plate (3), wherein the lower end of the first positioning plate (2) is vertically fixedly connected to the fixing plate (1), the second positioning plate (3) is installed at the top end of the first positioning plate (2) and is inclined forward and upward relative to the first positioning plate (2), the first positioning plate (2) is provided with a first positioning clamping assembly for positioning and clamping the U-shaped rod, and a second positioning clamping assembly for positioning and clamping the lower cross bar, and the second positioning plate (3) is provided with a third positioning clamping assembly for positioning and clamping the upper cross bar.

2. A welding positioning frame according to claim 1, characterized in that: The first positioning clamping assembly comprises a first positioning block (4) for positioning the middle and both ends of the U-shaped rod, and a first clamping pliers (5) for clamping the middle and both ends of the U-shaped rod. The first positioning block (4) is provided with a first clamping groove for clamping with the U-shaped rod.

3. A welding positioning frame according to claim 1, characterized in that: The second positioning clamping assembly comprises a second positioning block (6) for positioning the two ends of the lower cross bar, and a second pressing clamp (7) for pressing the middle part of the lower cross bar. The second positioning block (6) is provided with a second clamping groove for clamping with the lower cross bar.

4. A welding positioning frame according to claim 1, characterized in that: The third positioning clamping assembly comprises a third positioning block (8) for positioning the two ends of the upper cross bar, and a third clamping clamp (9) for clamping the middle part of the upper cross bar. The third positioning block (8) is provided with a third clamping groove for clamping with the upper cross bar.

5. A welding positioning frame according to claim 1, characterized in that: The second positioning plate (3) is also provided with a fourth positioning block (10) for positioning one of the connecting rods, and the fourth positioning block (10) is provided with a fourth slot for engaging with the connecting rod.

6. A welding positioning frame according to claim 1, characterized in that: A first avoidance hole (11) is provided on the first positioning plate (2) at the connection between the lower cross bar and the two ends of the U-shaped bar.

7. A welding positioning frame according to claim 1, characterized in that: Second air-avoiding holes (12) are provided on both sides of the second positioning plate (3) at the connection between the two connecting rods and the U-shaped rod.

8. A welding positioning frame according to claim 1, characterized in that: A plurality of reinforcing plates (13) are provided at the connection between the first positioning plate (2) and the fixing plate (1).

9. A welding positioning frame according to claim 1, characterized in that: The fixing plate (1) is provided with a plurality of fixing holes (14).

10. A welding device, characterized in that: It comprises a processing table (15), an automatic welding robot (16), and a welding positioning frame as described in any one of claims 1 to 7.

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